CN114082529A - Harmless treatment device and method for waste gas generated in triphenyl phosphite production - Google Patents

Harmless treatment device and method for waste gas generated in triphenyl phosphite production Download PDF

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Publication number
CN114082529A
CN114082529A CN202111446613.4A CN202111446613A CN114082529A CN 114082529 A CN114082529 A CN 114082529A CN 202111446613 A CN202111446613 A CN 202111446613A CN 114082529 A CN114082529 A CN 114082529A
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box
waste gas
pipe
treatment
spraying
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CN114082529B (en
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胡全胜
余新伟
胡伟炳
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Changhe Chemical New Material Jiangsu Co ltd
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Changhe Chemical New Material Jiangsu Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • B01D53/85—Biological processes with gas-solid contact
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/141—Esters of phosphorous acids
    • C07F9/145—Esters of phosphorous acids with hydroxyaryl compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)

Abstract

The application discloses a device and a method for harmless treatment of waste gas generated in triphenyl phosphite production, wherein the device comprises a bottom plate, a first treatment box, a second treatment box, a spraying mechanism, an adsorption and filtration mechanism and an ultraviolet treatment mechanism; the spraying mechanism comprises a spraying plate and a filter box, an air inlet pipe is installed on one side of the first processing box, a spraying pipe is arranged on the top end of the inner cavity of the first processing box, the spraying plate is installed at the bottom of the spraying pipe, a valve is installed on one side of the first processing box, a collecting hopper is installed at the bottom end of the inner cavity of the first processing box, the filter box is installed at the bottom of the collecting hopper, a second filter screen is installed inside the filter box, a water pump is installed at the bottom of one side of the first processing box, and the water pump is connected with the filter box through a recovery pipe. This application easy operation can handle waste gas earlier through shower plate and shower, and when can filtering waste gas once more through rose box, second filter screen, recovery tube, water pump and valve moreover, avoid extravagant resource.

Description

Harmless treatment device and method for waste gas generated in triphenyl phosphite production
Technical Field
The application relates to the field of chemical industry, in particular to a device and a method for harmlessly treating waste gas generated in triphenyl phosphite production.
Background
Triphenyl phosphite is colorless light yellow transparent oily liquid at room temperature or above, is insoluble in water and has pungent smell. Is a representative variety of phosphorus antioxidants, a chelating agent and a stabilizing agent in PVC products, and an important intermediate for preparing trialkyl phosphite, and waste gas refers to toxic and harmful gas discharged by human beings in the production and living processes. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health.
When triphenyl phosphite is processed and produced, a large amount of waste gas is generated, but when the waste gas is generally treated, the efficiency of the adopted treatment device is low, and the waste gas treatment is not thorough. Therefore, the device and the method for harmless treatment of the waste gas generated in the production of triphenyl phosphite are provided for solving the problems.
Disclosure of Invention
The embodiment provides a device and a method for harmless treatment of waste gas generated in triphenyl phosphite production, which are used for solving the problem of incomplete treatment in the prior art.
According to one aspect of the application, a device for harmless treatment of waste gas generated in triphenyl phosphite production is provided, which comprises a bottom plate, a first treatment box, a second treatment box, a spraying mechanism, an adsorption and filtration mechanism and an ultraviolet treatment mechanism;
the spraying mechanism comprises a spraying plate and a filter box, a first treatment box side-mounting air inlet pipe is arranged, a spraying pipe is arranged at the top end of an inner cavity of the first treatment box, the spraying plate is arranged at the bottom of the spraying pipe, a first treatment box side-mounting valve is arranged, a first treatment box inner cavity bottom end is provided with a collecting hopper, the filter box is arranged at the bottom of the collecting hopper, a second filter screen is arranged inside the filter box, a water pump is arranged at the bottom of one side of the first treatment box, the water pump is connected with the filter box through a recovery pipe, the top of the water pump is connected with the valve through the recovery pipe, and the valve is connected with the spraying pipe.
Further, adsorption and filtration mechanism is including handling box and mounting bracket, the second is handled the incasement chamber and is equipped with and handles the box, handle box both sides and all handle incasement wall through the mounting bracket connection second, second is handled roof portion installation air pump, the air pump bottom is through second gas-supply pipe connection processing box, handle box inner chamber top-down and install first filter screen, electrostatic absorption net, active carbon net and biomembrane in proper order.
Further, ultraviolet ray treatment mechanism includes illumination board and S type pipe, the second is handled incasement chamber bottom installation S type pipe, processing box is connected at S type pipe top, and S type pipe one end is handled case one side gas outlet with the second and is connected, the second is handled incasement chamber one side installation illumination board, illumination board one side installation ultraviolet radiation lamp, two splicing blocks of ultraviolet radiation lamp one side rigid coupling, splicing block one end extends to illumination board surface inserting groove, the movable groove is all seted up to the illumination board both sides, movable groove internally mounted baffle, baffle one side rigid coupling locating lever, locating lever one end runs through the movable groove and extends to in the splicing block.
Furthermore, a second filter screen is installed in the inner cavity of the filter box, a gas collection port is installed at the top of the first treatment box, and the gas collection port is connected with an air pump through a first air delivery pipe.
Further, a door leaf is installed on one side of the second processing box through a hinge, and two sides of the processing box are connected with the mounting frame through bolts.
Furthermore, the top and the bottom of the processing box are provided with connectors, and one side of the processing box is provided with two door leaves.
Furthermore, a connecting rod is fixedly connected to one side of the baffle, one end of the connecting rod penetrates through the movable groove to be connected with the circular plate, and a spring is sleeved on the surface of the connecting rod.
Furthermore, the diameter of the gap at the top of the movable groove is smaller than that between the outer diameter of the baffle and the circular plate, and the spring is fixedly connected with the baffle and the inner wall of the movable groove respectively.
Furthermore, a first processing box and a second processing box are respectively arranged on two sides of the top of the bottom plate.
The steps are as follows;
(1) spraying waste gas, namely conveying the waste gas in the production process of triphenyl phosphite into a first treatment box through a gas inlet pipe, spraying the waste gas through a spraying pipe and the spraying pipe, collecting waste liquid through a collecting hopper, and conveying the sprayed waste gas through a gas collecting port and a first gas conveying pipe;
(2) the waste liquid generated by spraying can flow into the filter box after being positioned in the collecting hopper, then can be treated by the second filter screen, and can be conveyed to the spraying pipe through the water pump and the recovery pipe, so that the waste liquid is convenient to reuse and is prevented from being wasted;
(3) waste gas is adsorbed and treated, the waste gas is connected with a first gas conveying pipe through an air pump, then the waste gas is conveyed into a treatment box through a second gas conveying pipe, the waste gas can be preliminarily filtered through a first filter screen, then a static adsorption net can adsorb particles in the waste gas, and the waste gas is treated again through an active carbon net and a biological membrane, so that the treatment effect on the waste gas can be improved;
(4) irradiating the treated waste gas, wherein the waste gas can be treated again through an ultraviolet irradiation lamp after being discharged through an S-shaped pipe and an air outlet at one side of the second treatment box, and the waste gas can flow in the S-shaped pipe to improve the treatment box;
(5) maintain and handle the box, open the door leaf that the second handled case one side, then can take out processing box by the mounting bracket, can change moreover and handle inside first filter screen, electrostatic absorption net, active carbon net and biomembrane, then the box is handled in the installation, conveniently connects second gas-supply pipe and S type pipe through the connector of top and bottom.
(6) Change the ultraviolet irradiation lamp, can drive the baffle through the circular slab and remove in the movable groove is inside, then the locating lever can cancel the location to the inserted block, then take off the ultraviolet irradiation lamp, in the time of the installation, install the inserted block in the inserted groove, then elasticity through the spring can drive the baffle and remove in the movable groove is inside, makes the locating lever insert in the inserted block.
Through the above-mentioned embodiment of this application, adopted adsorption and filtration mechanism, solved and handled thorough problem inadequately, gained the effect that improves waste gas treatment efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of one embodiment of the present application;
FIG. 2 is an overall schematic view of an embodiment of the present application;
FIG. 3 is a perspective view of a process cartridge according to an embodiment of the present application;
FIG. 4 is a perspective view of a lighting panel according to one embodiment of the present application;
FIG. 5 is a schematic view of a lighting panel according to an embodiment of the present application;
fig. 6 is an enlarged partial view of a portion of fig. 5 according to an embodiment of the present disclosure.
In the figure: 1. a filter cartridge; 2. a collecting hopper; 3. an air inlet pipe; 4. a first treatment tank; 5. a shower pipe; 6. a spray plate; 7. a first gas delivery pipe; 8. a valve; 9. an air pump; 10. a second gas delivery pipe; 11. a first filter screen; 12. a mounting frame; 13. an electrostatic adsorption net; 14. a process cartridge; 15. an activated carbon mesh; 16. an S-shaped pipe; 17. a lighting panel; 18. a biofilm; 19. a base plate; 20. a water pump; 21. a second treatment tank; 22. a recovery pipe; 23. a second filter screen; 24. an air collection port; 25. an ultraviolet irradiation lamp; 26. inserting grooves; 27. positioning a rod; 28. a baffle plate; 29. a spring; 30. a circular plate; 31. a connecting rod; 32. a movable groove; 33. and (6) plugging the blocks.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The processing apparatus in this embodiment can be applied to various triphenyl phosphite production processes, for example, the following triphenyl phosphite production process is provided in this embodiment, and the processing apparatus in this embodiment can be used to process the following triphenyl phosphite production process.
A production process of triphenyl phosphite with low acid value comprises a reaction kettle, a dripping device, a stirring device and a heating device;
(1) adding materials, namely firstly, externally connecting electrical components in the device with a control switch and a power supply, then adding the molten phenol into a reaction kettle under the switching action of a second electromagnetic valve through a feed hopper and a blanking pipe, then starting a servo motor, driving a transmission rod to rotate by the servo motor, driving two driven rods to rotate by a transmission rod through a belt pulley and a transmission belt, and driving stirring blades to rotate inside the inner container by the two driven rods and the transmission rod, so that the molten phenol is stirred at a constant speed inside the inner container;
(2) vacuum regulation, wherein the vacuum pump is started and works to vacuumize the inner container through the vacuum tube so as to keep the internal pressure of the reaction kettle at 0.02 vacuum degree,
(3) heating and adjusting, namely starting a heating pipe in a vacuum cavity, heating the inner part of the liner by the heating pipe, keeping the constant temperature of the inner part of the liner by the heating pipe and the vacuum cavity, and keeping the fused phenol in the inner part of the liner at 3035 ℃;
(4) adding liquid, namely adding the phosphorus trichloride solution to be added into the adding cylinder, keeping the phosphorus trichloride solution at 3035 ℃ by the working of the heating plate, enabling the phosphorus trichloride solution in the adding cylinder to enter the scale cylinder, and enabling the phosphorus trichloride solution to pass through the outer side of the scale cylinder
The amount of the added phosphorus trichloride solution is observed in a scale manner, the first electromagnetic valve is opened, the phosphorus trichloride solution is dripped at a constant speed, and the dripping time is controlled
1.52.0 h;
(5) continuously heating for reaction, continuously stirring for reaction for a period of time at the temperature of the step (4), adjusting the heating temperature of the heating pipe to the inner container to enable the inner container to be heated to 130140 ℃, then continuously strengthening for reaction for 56 h, keeping the stirring blades continuously stirring, and opening
And a third electromagnetic valve, wherein the solution in the inner container enters the quantitative cylinder, the reactant is discharged through a discharge pipe, HCI is removed by an external water ring pump, then N2 is used for replacement, unreacted phenol and HCl are removed under reduced pressure, the removed HCl is removed, the HCl enters a buffer tank through a condenser and is absorbed into hydrochloric acid through a falling film absorber, and thus the triphenyl phosphite with the low acid value is prepared.
The dropwise adding device comprises a feeding pipe, a feeding hopper, a fixing frame, a first electromagnetic valve, an adding cylinder, a scale cylinder and a second electromagnetic valve, wherein the bottom end of the reaction kettle is fixedly connected with four supporting legs, the four supporting legs are symmetrically distributed on the side wall of the bottom end of the reaction kettle, the top of the reaction kettle is fixedly connected with the feeding pipe, and the top of the feeding pipe is fixedly connected with the feeding hopper;
the stirring device comprises an inner container, a vacuum cavity, an installation box, a servo motor, a belt pulley, a bearing, a second electromagnetic valve, a transmission belt, a sealing box, a driven rod, a transmission rod, an electric cabinet and a stirring blade, wherein the inner container is fixedly connected inside the reaction kettle, the vacuum cavity is arranged between the inner container and the reaction kettle, and the side wall of the top end of the reaction kettle is fixedly connected with the installation box;
heating device includes hot plate, a quantitative section of thick bamboo, arranges material pipe, control panel, heating pipe, vacuum tube and vacuum pump, the top lateral wall fixed connection seal box of the inside of inner bag, the bottom intercommunication of inner bag has a quantitative section of thick bamboo, the electric cabinet is installed to reation kettle's one end lateral wall, control panel is installed to the one end lateral wall of electric cabinet.
The number of the discharging pipes is two, the two discharging pipes are symmetrically distributed on two sides of the top end of the reaction kettle, the bottom end of each discharging pipe is communicated with the top of the inner container, and a second electromagnetic valve is mounted inside each discharging pipe.
One end of the blanking pipe is communicated with one end of the scale drum, a first electromagnetic valve is arranged inside the scale drum, and the top end of the scale drum is fixedly connected with the fixing frame.
The inside fixed connection of mount adds a section of thick bamboo two add a section of thick bamboo symmetric distribution in the inside both sides of mount, two add a section of thick bamboo and communicate the one end of two scale section of thick bamboos respectively, the internally mounted of mount has the hot plate.
The inside mounting of install bin has servo motor, servo motor's output cup joints the transfer line, the transfer line passes through the bearing and rotates the top of connecting at reation kettle, the transfer line runs through the seal box and extends to the inside of inner bag.
Two driven rods are rotatably connected inside the seal box, belt pulleys are sleeved on the outer sides of the driven rods and the outer sides of the transmission rods, and a transmission belt is wound between the belt pulley at one end of each driven rod and the belt pulley at one end of each transmission rod.
The outer sides of the transmission rod and the two driven rods are respectively sleeved with a stirring blade, and the transmission rod and the stirring blades sleeved with the two driven rods are respectively rotatably connected inside the inner container.
The heating pipe is wound on the outer side wall of the inner container, one end of the top of the inner container is communicated with one end of the vacuum pipe, the other end of the vacuum pipe is communicated with the vacuum pump, and the vacuum pump is installed on the outer side wall of one end of the reaction kettle.
The bottom of the quantifying cylinder is communicated with one end of a discharging pipe, and a third electromagnetic valve is arranged in the discharging pipe.
The production process of triphenyl phosphite is the Chinese patent invention (application number: CN 213726531U).
Wherein, processing apparatus in this application can handle the waste gas that the triphenyl phosphite production technology produced above.
Of course, the present embodiment can also be used for processing triphenyl phosphite production processes with other structures. Here, details are not repeated, and the processing apparatus according to the embodiment of the present application is described below.
Referring to fig. 1-6, a device for harmless treatment of waste gas from triphenyl phosphite production comprises a bottom plate 19, a first treatment tank 4, a second treatment tank 21, a spraying mechanism, an adsorption and filtration mechanism and an ultraviolet treatment mechanism;
the spraying mechanism is including spraying 6 and filter cartridge 1, 4 one side-mounting intake pipes 3 of first processing case, 4 inner chamber tops of first processing case are equipped with shower 5, 5 bottom-mounting spray 6 of shower, 4 one side-mounting valves 8 of first processing case, 4 inner chamber bottom-mounting collection of first processing case are fought 2, collect 2 bottom-mounting filter cartridge 1 of fighting, 1 internally mounted second filter screen 23 of filter cartridge, 4 one side bottom-mounting water pump 20 of first processing case, filter cartridge 1 is connected through recovery tube 22 to water pump 20, and water pump 20 top is through recovery tube 22 connection valve 8, valve 8 is connected with shower 5.
Adsorption and filtration mechanism is including handling box 14 and mounting bracket 12, the case 21 inner chamber is handled to the second is equipped with handles box 14, handle 14 both sides of box and all connect the second through mounting bracket 12 and handle 21 inner walls of case, 21 top installation air pumps 9 are handled to the second, 9 bottoms of air pumps are passed through second gas-supply pipe 10 and are connected and handle box 14, handle 14 inner chamber top-down of box and install first filter screen 11, electrostatic absorption net 13, activated carbon net 15 and biomembrane 18 in proper order.
Ultraviolet ray processing agency includes illumination board 17 and S type pipe 16, 21 inner chamber bottom installation S type pipe 16 of case is handled to the second, processing box 14 is connected at S type pipe 16 top, and S type pipe 16 one end is handled case 21 one side gas outlet with the second and is connected, 21 inner chamber one side installation illumination board 17 of case is handled to the second, illumination board 17 one side installation ultraviolet irradiation lamp 25, two splicing blocks 33 of ultraviolet irradiation lamp 25 one side rigid coupling, splicing block 33 one end extends to illumination board 17 surface splicing groove 26, movable groove 32 is all seted up to illumination board 17 both sides, movable groove 32 internally mounted baffle 28, baffle 28 one side rigid coupling locating lever 27, locating lever 27 one end is run through movable groove 32 and is extended to in splicing block 33.
The second filter screen 23 is installed in the inner cavity of the filter box 1, the air collecting port 24 is installed at the top of the first treatment box 4, and the air collecting port 24 is connected with the air pump 9 through the first air conveying pipe 7.
And a door leaf is arranged on one side of the second treatment box 21 through a hinge, and two sides of the treatment box 14 are connected with the mounting frame 12 through bolts.
The top and the bottom of the processing box 14 are provided with connectors, and one side of the processing box 14 is provided with two door leaves.
One side of the baffle 28 is fixedly connected with a connecting rod 31, one end of the connecting rod 31 penetrates through a movable groove 32 to be connected with the circular plate 30, and the surface of the connecting rod 31 is sleeved with a spring 29.
The diameter of the gap at the top of the movable groove 32 is smaller than the diameter between the outer diameter of the baffle 28 and the circular plate 30, and the spring 29 is fixedly connected with the baffle 28 and the inner wall of the movable groove 32 respectively.
The first treatment box 4 and the second treatment box 21 are respectively arranged on two sides of the top of the bottom plate 19.
The steps are as follows;
(1) spraying waste gas, namely firstly conveying the waste gas in the production process of triphenyl phosphite into a first treatment box 4 through an air inlet pipe 3, spraying the waste gas through a spraying pipe 5 and the spraying pipe 5, then collecting the waste liquid through a collecting hopper 2, and conveying the sprayed waste gas through a gas collecting port 24 and a first gas conveying pipe 7;
(2) the waste liquid is recovered, the waste liquid generated by spraying can flow into the filter box 1 after being positioned in the collecting hopper 2, then is treated by the second filter screen 23, and can be conveyed to the spraying pipe 5 through the water pump 20 and the recovery pipe 22, so that the waste liquid is convenient to reuse and is prevented from being wasted;
(3) waste gas is adsorbed and treated, the waste gas is connected with a first gas conveying pipe 7 through an air pump 9, then the waste gas is conveyed into a treatment box 14 through a second gas conveying pipe 10, the waste gas can be preliminarily filtered through a first filter screen 11, then a static adsorption net 13 can adsorb particles in the waste gas, and the particles are treated again through an active carbon net 15 and a biological membrane 18, so that the treatment effect on the waste gas can be improved;
(4) irradiating the treated exhaust gas, wherein the exhaust gas can be treated again by the ultraviolet irradiation lamp 25 after being discharged through the S-shaped pipe 16 and the outlet on the side of the second treatment tank 21, and the exhaust gas can flow inside the S-shaped pipe 16 to improve the treatment tank;
(5) the treatment box 14 is maintained, the door leaf on one side of the second treatment box 21 is opened, then the treatment box 14 can be taken out through the mounting frame 12, the first filter screen 11, the electrostatic adsorption screen 13, the activated carbon screen 15 and the biological membrane 18 inside the treatment box can be replaced, then the treatment box 14 is mounted, and the second air pipe 10 and the S-shaped pipe 16 are conveniently connected through the connecting ports on the top and the bottom.
(6) When the ultraviolet irradiation lamp 25 is replaced, the baffle plate 28 can be driven to move in the movable groove 32 through the circular plate 30, then the positioning rod 27 can cancel the positioning of the insertion block 33, then the ultraviolet irradiation lamp 25 is taken down, the insertion block 33 is installed in the insertion groove 26 during installation, then the baffle plate 28 can be driven to move in the movable groove 32 through the elasticity of the spring 29, and the positioning rod 27 is inserted in the insertion block 33.
The application has the advantages that:
1. the waste gas treatment device is simple to operate, waste gas can be treated firstly through the spray plate and the spray pipe, and when the waste gas can be filtered again through the filter box, the second filter screen, the recovery pipe, the water pump and the valve, resource waste is avoided;
2. the structure is reasonable, the treatment box is convenient to mount in the second treatment box through the mounting frame, waste gas can be conveyed through the air pump, the first gas conveying pipe and the second gas conveying pipe, and the waste gas can be treated through the first filter screen, the electrostatic adsorption net, the activated carbon net and the biological membrane;
3. this application can be handled waste gas through illumination plate, ultraviolet irradiation lamp and S type pipe, can improve and change the ultraviolet irradiation lamp through inserting groove, locating lever, baffle, spring, circular slab, connecting rod, movable groove, grafting piece easy to assemble moreover to waste gas treatment, guarantees treatment effect.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a triphenyl phosphite production waste gas innocent treatment device which characterized in that: comprises a bottom plate (19), a first treatment box (4), a second treatment box (21), a spraying mechanism, an adsorption filtering mechanism and an ultraviolet treatment mechanism;
the spraying mechanism comprises a spraying plate (6) and a filter box (1), a side-mounting air inlet pipe (3) of a first processing box (4), a spraying pipe (5) is arranged on the top end of an inner cavity of the first processing box (4), the spraying plate (6) is mounted at the bottom of the spraying pipe (5), a side-mounting valve (8) of the first processing box (4), a collecting hopper (2) is mounted at the bottom end of the inner cavity of the first processing box (4), the filter box (1) is mounted at the bottom of the collecting hopper (2), a second filter screen (23) is mounted inside the filter box (1), a water pump (20) is mounted at the bottom of one side of the first processing box (4), the water pump (20) is connected with the filter box (1) through a recovery pipe (22), the top of the water pump (20) is connected with the valve (8) through the recovery pipe (22), and the valve (8) is connected with the spraying pipe (5).
2. The device of claim 1 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: adsorption and filtration mechanism is including handling box (14) and mounting bracket (12), the second is handled case (21) inner chamber and is equipped with and handles box (14), handle box (14) both sides and all connect second through mounting bracket (12) and handle case (21) inner wall, case (21) top installation air pump (9) are handled to the second, air pump (9) bottom is connected through second gas pipe (10) and is handled box (14), handle box (14) inner chamber top-down and install first filter screen (11), electrostatic absorption net (13), active carbon net (15) and biomembrane (18) in proper order.
3. The device of claim 1 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: the ultraviolet treatment mechanism comprises a lighting plate (17) and an S-shaped pipe (16), the bottom end of the inner cavity of the second treatment box (21) is provided with the S-shaped pipe (16), the top of the S-shaped pipe (16) is connected with a treatment box (14), one end of the S-shaped pipe (16) is connected with an air outlet at one side of a second processing box (21), a lighting plate (17) is arranged at one side of the inner cavity of the second processing box (21), an ultraviolet irradiation lamp (25) is arranged on one side of the illumination plate (17), two insertion blocks (33) are fixedly connected on one side of the ultraviolet irradiation lamp (25), one end of the plug block (33) extends to the surface plug groove (26) of the lighting panel (17), both sides of the lighting plate (17) are provided with movable grooves (32), the movable grooves (32) are internally provided with baffles (28), one side of the baffle plate (28) is fixedly connected with a positioning rod (27), and one end of the positioning rod (27) penetrates through the movable groove (32) and extends into the insertion block (33).
4. The device of claim 1 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: filter cartridge (1) inner chamber installation second filter screen (23), first processing case (4) top installation gas collection mouth (24), air pump (9) are connected through first gas-supply pipe (7) in gas collection mouth (24).
5. The device of claim 2 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: and a door leaf is arranged on one side of the second treatment box (21) through a hinge, and the two sides of the treatment box (14) are connected with the mounting rack (12) through bolts.
6. The device of claim 2 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: the top and the bottom of the processing box (14) are provided with connectors, and two door leaves are arranged on one side of the processing box (14).
7. The device of claim 3 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: baffle (28) one side rigid coupling connecting rod (31), connecting rod (31) one end is run through movable groove (32) and is connected circular board (30), connecting rod (31) surface cover has spring (29).
8. The device of claim 7 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: the diameter of a gap at the top of the movable groove (32) is smaller than that between the outer diameter of the baffle plate (28) and the circular plate (30), and the spring (29) is fixedly connected with the baffle plate (28) and the inner wall of the movable groove (32) respectively.
9. The device of claim 1 for harmless treatment of waste gas from triphenyl phosphite production, which is characterized in that: and a first treatment box (4) and a second treatment box (21) are respectively arranged on two sides of the top of the bottom plate (19).
10. The harmless treatment device for the waste gas generated in the triphenyl phosphite production process according to the claims 1-9, which obtains a harmless treatment method for the waste gas generated in the triphenyl phosphite production process, and is characterized in that: the steps are as follows;
(1) spraying waste gas, namely conveying the waste gas in the production process of triphenyl phosphite into a first treatment box (4) through an air inlet pipe (3), spraying the waste gas through a spraying pipe (5) and the spraying pipe (5), collecting waste liquid through a collecting hopper (2), and conveying the waste gas subjected to spraying treatment through a gas collecting port (24) and a first gas conveying pipe (7);
(2) the waste liquid is recovered, the waste liquid generated by spraying can flow into the filter box (1) after being positioned in the collecting hopper (2), then is treated through the second filter screen (23), and can be conveyed to the spraying pipe (5) through the water pump (20) and the recovery pipe (22), so that the waste liquid is convenient to reuse, and the waste is avoided;
(3) waste gas is adsorbed and treated, the waste gas is connected with a first gas conveying pipe (7) through a gas pump (9), then the waste gas is conveyed into a treatment box (14) through a second gas conveying pipe (10), the waste gas can be preliminarily filtered through a first filter screen (11), then an electrostatic adsorption net (13) can adsorb particles in the waste gas, and the particles are treated again through an active carbon net (15) and a biological membrane (18), so that the treatment effect on the waste gas can be improved;
(4) irradiating the treated exhaust gas, wherein the exhaust gas can be treated again by an ultraviolet irradiation lamp (25) after being discharged through an outlet at one side of the S-shaped pipe (16) and the second treatment tank (21), and the treatment tank can be enhanced by the exhaust gas flowing inside the S-shaped pipe (16);
(5) maintaining the processing box (14), opening a door leaf on one side of the second processing box (21), then taking out the processing box (14) through the mounting frame (12), replacing the first filter screen (11), the electrostatic adsorption net (13), the activated carbon net (15) and the biological membrane (18) in the processing box, then installing the processing box (14), and conveniently connecting the second air pipe (10) and the S-shaped pipe (16) through connectors at the top and the bottom;
(6) change ultraviolet irradiation lamp (25), can drive baffle (28) through circular plate (30) and move in activity groove (32) inside, then locating lever (27) can cancel the location to grafting piece (33), then take off ultraviolet irradiation lamp (25), during the installation, install grafting piece (33) in grafting groove (26), then can drive baffle (28) through the elasticity of spring (29) and move in activity groove (32) inside, make locating lever (27) insert in grafting piece (33).
CN202111446613.4A 2021-11-30 2021-11-30 Device and method for harmless treatment of triphenyl phosphite production waste gas Active CN114082529B (en)

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